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/*-
* Copyright (c) 2006 Kip Macy
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _MACHINE_WSTATE_H_
#define _MACHINE_WSTATE_H_
/*
* Window State Register (WSTATE)
*
* |------------|
* |OTHER|NORMAL|
* |-----|------|
* 5 3 2 0
*/
#define WSTATE_BAD 0 /* unused */
#define WSTATE_U32 1 /* 32b stack */
#define WSTATE_U64 2 /* 64b stack */
#define WSTATE_CLEAN32 3 /* cleanwin workaround, 32b stack */
#define WSTATE_CLEAN64 4 /* cleanwin workaround, 64b stack */
#define WSTATE_K32 5 /* priv 32b stack */
#define WSTATE_K64 6 /* priv 64b stack */
#define WSTATE_KMIX 7 /* priv mixed stack */
#define WSTATE_CLEAN_OFFSET 2
#define WSTATE_SHIFT 3 /* normal-to-other shift */
#define WSTATE_MASK 7 /* mask for each set */
#define WSTATE(o, n) (((o) << WSTATE_SHIFT) | (n))
#define WSTATE_USER32 WSTATE(WSTATE_BAD, WSTATE_U32)
#define WSTATE_USER64 WSTATE(WSTATE_BAD, WSTATE_U64)
#define WSTATE_KERN WSTATE(WSTATE_U32, WSTATE_K64)
#endif /* !_MACHINE_WSTATE_H_ */
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